> The JVMTI Watch Field functions do not disable VTMS transitions with the > `JvmtiVTMSTransitionDisabler`: > - `SetFieldAccessWatch()` > - `ClearFieldAccessWatch()` > - `SetFieldModificationWatch()` > - `ClearFieldModificationWatch()` > so in the `recompute_enabled()` we could see that a vthread is mounted, but > in the `EnterInterpOnlyModeClosure` handshake the thread could have been > unmounted already. This is a root cause of failures with this assert. > > The fix is to disable transitions in the > `JvmtiEventControllerPrivate::change_field_watch()` function. > > Testing: > - TBD: submit mach5 tiers 1-6
Serguei Spitsyn has updated the pull request incrementally with one additional commit since the last revision: adjusted the JvmtiVTMSTransition_lock rank to safepoint-1 ------------- Changes: - all: https://git.openjdk.org/jdk/pull/20413/files - new: https://git.openjdk.org/jdk/pull/20413/files/bb94448c..3d166446 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=20413&range=02 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20413&range=01-02 Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/20413.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20413/head:pull/20413 PR: https://git.openjdk.org/jdk/pull/20413
